About ethosuximideimide derivative, a succinimide anticonvulsant(mainly in absence seizures).mechanism of action of ethosuximideethosuximide reduces low threshold t current in ca2+ channel in thalamic neurons. thalamus is responsible for the production of absence seizure. ethosuximide produces its action by inhibiting t type calcium channel.indications for ethosuximideabsence seizure (petit mal epilepsy)breast feeding related informationcontraindicatedchildren related informationuse with caution below 3years: contraindicated typical dosage for ethosuximideadult: 500mg/day in 2 divided doses. dose can be increased by 250mg every 4 - 7 days up to 1.5g/day. children above 6 years of age: same as adult dose children under 6 years of age: 250 mg /day
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